TLS Online TPP Program

#Question id: 1066


Carriers

#Unit 4. Cell Communication and Cell Signaling
  1. may have a persistent infection.

  2. may be a source of infection.

  3. usually show symptoms of the disease.

  4. may have a persistent infection AND may be a source of infection.

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TLS Online TPP Program

#Question id: 2806

#Unit 2. Cellular Organization

Pseudogenes arise from the action of an enzyme

TLS Online TPP Program

#Question id: 2807

#Unit 2. Cellular Organization

Huntington’s disease is an example of

a. an autosomal recessive disorder.    b. an autosomal dominant disorder.

c. a sex linked recessive disorder.      d. a sex linked dominant disorder.

TLS Online TPP Program

#Question id: 2808

#Unit 2. Cellular Organization

A microsatellite is a type of polymorphism that

a. results from the change of a single nucleotide.

b. changes the recognition sequence for a restriction enzyme.

c. results from a variable number of repetitive sequences.

d. results from a chromosomal inversion.

TLS Online TPP Program

#Question id: 2809

#Unit 2. Cellular Organization

In the human genome, one centimorgan or a 1 percent recombination frequency represents, on average, a distance of about

TLS Online TPP Program

#Question id: 2810

#Unit 2. Cellular Organization

Which of the following steps is required to generate a knockout mouse?

a. microinjection of DNA into the pronucleus of a fertilized mouse egg

b. introduction of DNA into mouse embryonic stem cells

c. selection for cells containing the gene targeted insertion

d. expression of Cre protein during embryonic development

TLS Online TPP Program

#Question id: 2811

#Unit 2. Cellular Organization

RNA interference is a method for inhibiting the function of specific genes using

a. single-stranded DNA.                     

b. double-stranded DNA.

c. single-stranded RNA.                     

d. double-stranded RNA.